245222132 has 36 divisors (see below), whose sum is σ = 457722720. Its totient is φ = 114631632.

The previous prime is 245222123. The next prime is 245222147. The reversal of 245222132 is 231222542.

It is a junction number, because it is equal to n+sod(n) for n = 245222098 and 245222107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1468313 + ... + 1468479.

It is an arithmetic number, because the mean of its divisors is an integer number (12714520).

Almost surely, 2^245222132 is an apocalyptic number.

It is an amenable number.

245222132 is a deficient number, since it is larger than the sum of its proper divisors (212500588).

245222132 is a wasteful number, since it uses less digits than its factorization.

245222132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 327 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 245222132 is about 15659.5699813245. The cubic root of 245222132 is about 625.9215265676.

Adding to 245222132 its reverse (231222542), we get a palindrome (476444674).

The spelling of 245222132 in words is "two hundred forty-five million, two hundred twenty-two thousand, one hundred thirty-two".